Surgical instrument.



J. C. GOOSMANN.

SURGICAL INSTRUMENT.

APYLIUATION FILED PEB. 2a, 1909.

947,382. Patented .1911.291919 *Mw if @w JUSTUS C. GOOSMANN, F CHICAGO, ILLINOIS.

SURGICAL INSTRUMENT.

Speeication of Letters Patent. Application led February 23, V1909.

Patented J an. 25, 1910. Serial No. 479,378.

` a citizen of the United States, and residing 'at Chicago, in the county of Cook and State of Illinois, have invented a new vand useful Improvement in Surgical Instruments, of which the following is a complete specification.

This invention relates to improvements in surgical instruments and more'particularly to an instrument adapted to form crystallized carbon dioxid and apply it to the surface treated.

Crystallized carbon dioxid is often employed for treating certain skin diseases and lemishes, such for instance as the removal of scars, warts, moles etc., by the destruction of the tissue through the use of low telnperature, but heretofore no adequate means have been provided for forming and storing the crystals in a device convenient for applying them. Instead it has been usual to permit the carbon dioxid to escape from the tank 1nto a porous sack and the rapid expansionof the gas causes a drop in the temperalture and the formation of crystals on the -interior of the sack. These are then collected and formed by hand I'into balls or pellets of suitable size and applied to the surface to be treated by means of any instrument apable of holding the ball against the surace.

The main objects of this invention are to provide a device adapted to have carbon dioxid crystals formed therein, and then compacted or corn ressed into suitable form to be applied to t e surface to be treated, and also to apply the crystalsl without removing them from the device in which. they are formed. It is also anfobject of the invention to, provide a novel device for compressing the crystals into convenlent form for use, and which may be quickly attached or removed from the forming cylinder when desired.

A specitic construction embodying said inof sald plston adjacent the nut 9 1s secured a vention is illustrated in the accompanying drawings, in which:

Figure 1 is a fragmentary, side elevation of a carbon dioxid tank showing the forming cylinder attached thereto. Fi 2 is an enlarged longitudinal section o the forming cyllnder with the compressing mechanism insulating cover and applicator attached thereto. 3 is a view similar to Fig. 2

but showing the compressing mechanism extended. Fig. 4 is a side elevation of one form of applicator.

In the construction -1L`own in said drawings, 1 indicates a carbon dioxid tank of the usual construction, and attached to the outlet thereof is the forming cylinder 2. Said cylinder comprises a pipe Section having a plurality of perforations 3 in the sides there-l of, and having one end closed by a tight fitting cap 4. The other end of said cylinder is provided with an enlarged, internally threaded iian e 5, which is adapted to be screwed onto tiiie outlet 6 of said tank, and is formed on its outer side to receive awrench or the like. To form crystals in the cylinder the valve 7 of the tank is opened and the carbon dioxid escapes into said cylinder, and the rapid expansion of the gas causes the formation of crystals on the inner side thereof. When a sufficient quantity of crystalline carbon dioxid has been formed the cylinder is removed and an insulatin cover 8 of cork or other suitable material 1s placed over the same to protect the hand from injury while using the cylinder.

For the purpose of compressing the crystallized carbon. dioxid in said cylinder after the latter has been removed from the tank, a compressing device is attached thereto. the construction shown the comp .'essingdevice comprises a nut 9 adapted to be engaged in the iange 5, and journaled axially therein is a shaft 10. Said shaft is provided on its outer `end with a knurled head 11, by means of which the shaft may be rotated, and the inner end 12 of said shaft is screw threaded and provided with a washer or flange 13. Slidably secured in said cylinder is a hollow piston 14, having internal screw thread's \15, and a sleeve 16 is provided with external threads on its inner end which engage in said threads 15. The outer end 17 of said sleeve, or that adjacent the nut 9, has its bore reduced'in size and screw threaded to engage the end 12 of said shaft. On the end iange 18 adapted to prevent the withdrawal of the sleeve 16 when the compressing mechanism is fully extended,.-as shown in Fig. 3.

When it is desired to use the instrument the 'carbon dioxid is crystallized in the formin cylinder, as before described, and the cyIinder is removed from the tank. The cap 4.is removed vfrom thc end of the cylinder and the insulating'cover is slipped over the cylinder and the cap again secured in place.

" of. yThe nut 9 is then secured in the {iange 5 and the'shaft 10 is'rotated in a direction tov force the sleeve 16 to the inner end of the threaded portion 12. Owing to the threaded connection'between the sleeve and said piston the latter is forced inwardly with the sleeve,thereby moving the crystallized carbon dioxid nearer the mouth of the cylinder and compressing it against the cap 4:. When the Washer or flange 13 reaches the reduced portion 17 of said sleeve it binds thereon and further rotation of the shaft in 'said sleeve is prohibited, and thesleeve is caused to rotate in the piston, which movement forces the piston farther toward the mouth of the cylinder.

When the carbon dioxid has been suiiciently` compressed the cap 4 is removed and .a mouth piece or applicator 19, 20 or 21 1s secured in its place. lThe form of the applicator Will vary according to the nature and location of the part treated. The open end of the applicator is placed over the part to be treated and the shaft rotated farther to force-the compressed crystals into contact With said part. As the compressed ball is consumed by evaporation it is kept in contact with the surface by the rotation of said shaft. When it is desired to retract the piston the shaft is rotatedin the opposite direction and causes the piston and sleeve to return to normal position.

Obviously a device constructed in accordance with this invention provides a verycrystallized v convenient means for forming carbon dioxid and for applying the same in sur cal treatment, and obviously alsomany etails of form and construction may be variedwithout departing from the principles of this invention.

I claim as my invention:

1. r1`he combination with a perforated cylinder adapted' to'collect crystallized carbon dioxid therein, a piston in said cylinder, and longitudinally extensible means in said cylinder adapted to operate said piston.

2. The combination with perforated means adapted to receive gaseous'carbon dioxid therein and to form crystallized carbon dioxid on its inner surface, compressing mechanism in said perforated means adapted to compress the crystallized carbon dioxid into a compact mass, and .means for operating said compressing mechanism.

3. The combination with a cylinder having a plurality of perforations therein, of an insulating cover on said cylinder, a piston in said cylinder, a shaft Journaled axially of said cylinder, and means connecting said 'sleeve vhaving threaded connection at one end to said shaft and at the otherend in vsaid piston and means on the inner end of said shaft adapted When the sleeve has reached the inner limit of its movement to lock the sleeve to the shaft and cause it to rotate in the piston therewith.

5. The combination with a perforated cylinder of longitudinally extensible `compression means therein and a removable insulating 'cover' on said sleeve. y

6. r1`he combination With a perforated cylinder adapted to form crystallized carbon dioxid therein, means adapted to close the perforations in said cylinder, and means connected with said cylinder adapted to compress said crystals.

7. The combination with a perforated cylinder of removable means onsaid cylinder adapted to close the perforations therein, a shaft journaled in one end of said cylinder, and a piston connected with said shaft and adapted When the latter is rotated to travel longitudinally.

8. A device for forming and compressing crystallized carbon dioxid, comprising a perforated cylinder, a piston therein, and means for operating said piston.

9. A surgical 4instrument comprisingV a perforated cylinder, an insulating cover therefor, a piston' in said cylinder, and. means for operating said piston.

10. The combination with a perforated cylinder-of a nut adapted to be engaged in one end thereof, a shaft journaled in saidnut and having its inner end threaded, a sleeve having threaded engagement on said shaft, means adapted to limit the rotation of said shaft in said sleeve, an internally threaded piston having threaded engagement on said sleeve, and an insulating cover on said cylinder.

111. The combination with a perforatedl cylinder of an insulatin cover therefor, compressing means in sai cylinder, and an applicator on one end of said cylinder.

12. The combination With a cylinder of a piston therein, rotative means `adapted to move the piston-longitudinally of the cylinder, and an applicator on one end of said cylinder and an insulating coveron said cylinder.

13. The combination With a carbon dioxid tank of a perforated cylinder adapted to be attached to the outlet thereof, and to form rystallized carbon dioxid on its inner surace.

14:. The combination with a carbon dioxid tank of a perforated cylinder adapted to be attached thereto, of said cylinder.

l5. A surgical instrument comprising a perforated shell adapted to form crystallized carbon dioxid, means adapted to compress said crystals, and an applicator adapted to be placed over the surface treated.

16. A surgical instrument comprisin a perforated receptacle adapted to col ect crystallized carbon dioxid on its inner surand means closing the end face, means therein adapted to compress;

the crystallized carbon dioxid, andmeans connected with the receptacle adapted to support the compressed crystals against the surface treated.

17. A surgical instrument comprising a y tor adapted to be substituted for sal cylinder ada ted to collect crystallized carbon dioxid t erein a cap adapted to close one end of said cylinder, means ada ted to be engaged on the other end of sai cylmder and when operated to compress the carbon diox-id againstsaid cap, and an ap licacap and to shape the com ressed mass and retain it against the sur ace treated.

In testimony whereof I have hereunto subscribed my name in the presence of two Witnesses. t

JUSTUS C. GOOSMANN. Witnesses:

Jon. SIMoNs, RoB'r. KLo'rz. 

